diff options
Diffstat (limited to '4.N.10_Parser.php~')
-rw-r--r-- | 4.N.10_Parser.php~ | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/4.N.10_Parser.php~ b/4.N.10_Parser.php~ index d36f07a..593d5e7 100644 --- a/4.N.10_Parser.php~ +++ b/4.N.10_Parser.php~ @@ -186,20 +186,33 @@ foreach ($Class as $student) //*************Subtraction Yes/No ************* - - if($incorrect_subtraction[$student] / $correct_subtraction[$student] <= .10) - { - $understands_subtraction = "y"; //we cannot use bool as there is a third case of "undetermined" with subtraction. - } - elseif($incorrect_subtraction[$student] == NULL || $incorrect_subtraction[$student] == 0) - { - $understands_subtraction = "u" - } - else - { - $understands_subtraction = "n" - } + if($incorrect_subtraction[$student] / ($correct_subtraction[$student] + $incorrect_subtractions[$student]) <= .70) + { + $understands_subtraction = "y"; //we cannot use bool as there is a third case of "undetermined" with subtraction. + } + elseif($incorrect_subtraction[$student] == NULL || $incorrect_subtraction[$student] == 0) + { + $understands_subtraction = "u" //undetermined + } + else + { + $understands_subtraction = "n" + } + +/*************** Strikes ******************* +* +* If a student overpays and then increases their payment, or underpays, followed by an even lower payment +* it can be inferred the student does not understand the concepts of addition or subtraction with money. +* If for > 10% of the total question_id's the student makes this mistake. He or she gets a "no" for addition and subtraction. +*/ + + if(!($strikes[$student] / $num_questions[$student] <= .10)) + { + $understands_addition = false; + $understands_subtraction = "n"; + } + } //end foreach |